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Is it possible to implement dynamic getters/setters in JavaScript?
...r objects. Here's a simple example that turns any property values that are strings to all caps on retrieval:
"use strict";
if (typeof Proxy == "undefined") {
throw new Error("This browser doesn't support Proxy");
}
let original = {
"foo": "bar"
};
let proxy = new Proxy(original, ...
Get list of all routes defined in the Flask app
... as ?spam="eggs") are listed? Perhaps this info can be extracted from a docstring of an implementing method.
– Leonid
Aug 10 '14 at 4:44
2
...
When should I use Lazy?
...erties for Name, PhoneNumber, and Orders. Name and PhoneNumber are regular strings but Orders is a navigation property that returns a list of every order the customer ever made.
You often might want to go through all your customer's and get their name and phone number to call them. This is a very q...
What is the meaning of single and double underscore before an object name?
...n is meant to call, not you. Let's take a look:
>>> name = "test string"
>>> name.__len__()
11
>>> len(name)
11
>>> number = 10
>>> number.__add__(40)
50
>>> number + 50
60
There is always an operator or native function which calls these magi...
Serializing class instance to JSON
I am trying to create a JSON string representation of a class instance and having difficulty. Let's say the class is built like this:
...
Do I have to guard against SQL injection if I used a dropdown?
...less, you must use Prepared Statements (recommended) or mysqli_real_escape_string. Also properly escape the values when outputting them (e.g. use htmlspecialchars() in a HTML document).
– ComFreek
Mar 20 '14 at 18:12
...
json.dumps vs flask.jsonify
...understand the purpose of the flask.jsonify method. I try to make a JSON string from this:
5 Answers
...
TypeScript function overloading
...one implementation with multiple signatures.
class Foo {
myMethod(a: string);
myMethod(a: number);
myMethod(a: number, b: string);
myMethod(a: any, b?: string) {
alert(a.toString());
}
}
Only the three overloads are recognized by TypeScript as possible signatures for ...
How to test if a string is basically an integer in quotes using Ruby
...regular expressions. Here is the function with @janm's suggestions.
class String
def is_i?
!!(self =~ /\A[-+]?[0-9]+\z/)
end
end
An edited version according to comment from @wich:
class String
def is_i?
/\A[-+]?\d+\z/ === self
end
end
In case you only need to chec...
What does `:_*` (colon underscore star) do in Scala?
...plats"1 the sequence.
Look at the constructor signature
new Elem(prefix: String, label: String, attributes: MetaData, scope: NamespaceBinding,
child: Node*)
which is called as
new Elem(prefix, label, attributes, scope,
child1, child2, ... childN)
but here there is only a seq...